my period started a day late it started of very light pink then the next day got heavier but not too heavy ( tampon lasted me 6 hours before it needed to be changed) then yesterday it just stopped it didn t get lighter or anything jus stopped now today only like one or two drops come out but only when I use the bathroom I thought I was pregnant because my breast are tingly and hurt frm time to time no constant pain I feel nauseated but never throw up I feel very small pains in my side and in between my right thigh I got lower back pain also I don t know if I could be pregnant or if this is something else?